Write-up: Encephalitis; This case was reported by the UK regulatory authority (#GB-MHRA-ADR 205321122) and described the occurrence of encephalitis in a 13-year-old female subject who was vaccinated with CERVARIX (GlaxoSmithKline). On an unspecified date, the subject received an unspecified dose of Cervarix (intramuscular). At an unspecified time after vaccination with Cervarix, the subject experienced encephalitis. At the time of reporting the event was resolved with the following sequelae. N-methyl-D-aspartate receptor (NMDAR) encephalitis.